Example usage for org.objectweb.asm Opcodes ALOAD

List of usage examples for org.objectweb.asm Opcodes ALOAD

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In this page you can find the example usage for org.objectweb.asm Opcodes ALOAD.

Prototype

int ALOAD

To view the source code for org.objectweb.asm Opcodes ALOAD.

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Usage

From source file:lucee.transformer.bytecode.BodyBase.java

License:Open Source License

private static void addToSubMethod(BytecodeContext bc, Statement... statements) throws BytecodeException {
    if (statements == null || statements.length == 0)
        return;/*from  w  w w.j  a  v a 2  s  .c o m*/

    GeneratorAdapter adapter = bc.getAdapter();
    String method = ASMUtil.createOverfowMethod(bc.getMethod().getName(), bc.getPage().getMethodCount());

    for (int i = 0; i < statements.length; i++) {
        if (statements[i].getStart() != null) {
            ExpressionUtil.visitLine(bc, statements[i].getStart());
            break;
        }
    }

    //ExpressionUtil.lastLine(bc);
    Method m = new Method(method, Types.VOID, new Type[] { Types.PAGE_CONTEXT });
    GeneratorAdapter a = new GeneratorAdapter(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, m, null,
            new Type[] { Types.THROWABLE }, bc.getClassWriter());

    BytecodeContext _bc = new BytecodeContext(bc.getStaticConstructor(), bc.getConstructor(), bc.getKeys(), bc,
            a, m);
    if (bc.getRoot() != null)
        _bc.setRoot(bc.getRoot());
    else
        _bc.setRoot(bc);

    adapter.visitVarInsn(Opcodes.ALOAD, 0);
    adapter.visitVarInsn(Opcodes.ALOAD, 1);
    adapter.visitMethodInsn(Opcodes.INVOKEVIRTUAL, bc.getClassName(), method, "(Llucee/runtime/PageContext;)V");

    for (int i = 0; i < statements.length; i++) {
        ExpressionUtil.writeOut(statements[i], _bc);
    }

    a.returnValue();
    a.endMethod();
}

From source file:lucee.transformer.bytecode.BytecodeFactory.java

License:Open Source License

@Override
public void registerKey(Context c, Expression name, boolean doUpperCase) throws TransformerException {
    BytecodeContext bc = (BytecodeContext) c;
    if (name instanceof Literal) {
        Literal l = (Literal) name;//from   w ww . j  a  v a2  s.co m

        LitString ls = name instanceof LitString ? (LitString) l
                : c.getFactory().createLitString(l.getString());
        if (doUpperCase) {
            ls = ls.duplicate();
            ls.upperCase();
        }
        String key = KeyConstants.getFieldName(ls.getString());
        if (key != null) {
            bc.getAdapter().getStatic(KEY_CONSTANTS, key, Types.COLLECTION_KEY);
            return;
        }
        int index = bc.registerKey(ls);
        bc.getAdapter().visitVarInsn(Opcodes.ALOAD, 0);
        bc.getAdapter().visitFieldInsn(Opcodes.GETFIELD, bc.getClassName(), "keys",
                Types.COLLECTION_KEY_ARRAY.toString());
        bc.getAdapter().push(index);
        bc.getAdapter().visitInsn(Opcodes.AALOAD);

        //ExpressionUtil.writeOutSilent(lit,bc, Expression.MODE_REF);
        //bc.getAdapter().invokeStatic(Page.KEY_IMPL, Page.KEY_INTERN);

        return;
    }
    name.writeOut(bc, Expression.MODE_REF);
    bc.getAdapter().invokeStatic(Page.KEY_IMPL, INIT);
    //bc.getAdapter().invokeStatic(Types.CASTER, TO_KEY);
    return;
}

From source file:lucee.transformer.bytecode.expression.var.Variable.java

License:Open Source License

public static void registerKey(BytecodeContext bc, Expression name, boolean doUpperCase)
        throws BytecodeException {

    if (name instanceof Literal) {
        Literal l = (Literal) name;//  w w  w  . j a  v a2  s  . com

        LitString ls = name instanceof LitString ? (LitString) l : LitString.toLitString(l.getString());
        if (doUpperCase) {
            ls = ls.duplicate();
            ls.upperCase();
        }
        String key = KeyConstants.getFieldName(ls.getString());
        if (key != null) {
            bc.getAdapter().getStatic(KEY_CONSTANTS, key, Types.COLLECTION_KEY);
            return;
        }
        int index = bc.registerKey(ls);
        bc.getAdapter().visitVarInsn(Opcodes.ALOAD, 0);
        bc.getAdapter().visitFieldInsn(Opcodes.GETFIELD, bc.getClassName(), "keys",
                Types.COLLECTION_KEY_ARRAY.toString());
        bc.getAdapter().push(index);
        bc.getAdapter().visitInsn(Opcodes.AALOAD);

        return;
    }
    name.writeOut(bc, MODE_REF);
    bc.getAdapter().invokeStatic(Page.KEY_IMPL, INIT);
    //bc.getAdapter().invokeStatic(Types.CASTER, TO_KEY);
    return;
}

From source file:lucee.transformer.bytecode.literal.LitString.java

License:Open Source License

/**
 * @see lucee.transformer.bytecode.expression.Expression#_writeOut(org.objectweb.asm.commons.GeneratorAdapter, int)
 *//*from   w ww.  ja v a 2s .c om*/
private static Type _writeOut(BytecodeContext bc, int mode, String str) throws BytecodeException {
    // write to a file instead to the bytecode
    // str(0,10);
    //print.ds(str);
    int externalizeStringGTE = ((ConfigImpl) bc.getPageSource().getMapping().getConfig())
            .getExternalizeStringGTE();

    if (externalizeStringGTE > -1 && str.length() > externalizeStringGTE
            && StringUtil.indexOfIgnoreCase(bc.getMethod().getName(), "call") != -1) {
        try {
            GeneratorAdapter ga = bc.getAdapter();
            Page page = bc.getPage();
            Range range = page.registerString(bc, str);
            ga.visitVarInsn(Opcodes.ALOAD, 0);
            ga.visitVarInsn(Opcodes.ALOAD, 1);
            ga.push(range.from);
            ga.push(range.to);
            ga.visitMethodInsn(Opcodes.INVOKEVIRTUAL, bc.getClassName(), "str",
                    "(Llucee/runtime/PageContext;II)Ljava/lang/String;");
            return Types.STRING;
        } catch (Throwable t) {
        }
    }

    if (str.length() > MAX_SIZE) {
        ExprString expr = _toExpr(str);
        expr.writeOut(bc, mode);
    } else {
        bc.getAdapter().push(str);
    }
    return Types.STRING;
}

From source file:lucee.transformer.bytecode.literal.LitStringImpl.java

License:Open Source License

/**
 * @see lucee.transformer.expression.Expression#_writeOut(org.objectweb.asm.commons.GeneratorAdapter, int)
 *///from   ww w  . ja  v  a  2  s .  c om
private static Type _writeOut(BytecodeContext bc, int mode, String str) throws TransformerException {
    // write to a file instead to the bytecode
    // str(0,10);
    //print.ds(str);
    int externalizeStringGTE = ((ConfigImpl) bc.getConfig()).getExternalizeStringGTE();

    if (externalizeStringGTE > -1 && str.length() > externalizeStringGTE
            && StringUtil.indexOfIgnoreCase(bc.getMethod().getName(), "call") != -1) {
        try {
            GeneratorAdapter ga = bc.getAdapter();
            Page page = bc.getPage();
            Range range = page.registerString(bc, str);
            if (range != null) {
                ga.visitVarInsn(Opcodes.ALOAD, 0);
                ga.visitVarInsn(Opcodes.ALOAD, 1);
                ga.push(range.from);
                ga.push(range.to);
                ga.visitMethodInsn(Opcodes.INVOKEVIRTUAL, bc.getClassName(), "str",
                        "(Llucee/runtime/PageContext;II)Ljava/lang/String;");
                return Types.STRING;
            }
        } catch (Throwable t) {
            ExceptionUtil.rethrowIfNecessary(t);
        }
    }

    if (toBig(str)) {
        _toExpr(bc.getFactory(), str).writeOut(bc, mode);
    } else {
        bc.getAdapter().push(str);
    }
    return Types.STRING;
}

From source file:lucee.transformer.bytecode.Page.java

License:Open Source License

/**
 * result byte code as binary array//w  w w . j a  v  a2 s.  com
 * @param classFile 
 * @return byte code
 * @throws IOException 
 * @throws TemplateException 
 */
public byte[] execute(PageSource source, Resource classFile) throws BytecodeException {
    /*
    // this is done that the Page can be executed more than once
    if(initFunctions==null)
       initFunctions=(ArrayList<IFunction>) functions.clone();
    else
       functions=initFunctions;
    if(initThreads==null)
       initThreads=(ArrayList<TagThread>) threads.clone();
    else
       threads=initThreads;
    methodCount=0;
    off=0;
    staticTextLocation=null;
            
            
    print.e(this.functions);
    print.e(this.threads);*/

    Resource p = classFile.getParentResource().getRealResource(classFile.getName() + ".txt");

    List<LitString> keys = new ArrayList<LitString>();
    ClassWriter cw = ASMUtil.getClassWriter();

    ArrayList<String> imports = new ArrayList<String>();
    getImports(imports, this);

    // parent
    String parent = "lucee/runtime/PagePlus";
    if (isComponent())
        parent = "lucee/runtime/ComponentPage";
    else if (isInterface())
        parent = "lucee/runtime/InterfacePage";

    cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, name, null, parent, null);
    cw.visitSource(this.pageSource.getPhyscalFile().getAbsolutePath(),
            "rel:" + this.pageSource.getFullRealpath()); // when adding more use ; as delimiter
    //

    // static constructor
    //GeneratorAdapter statConstrAdapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC,STATIC_CONSTRUCTOR,null,null,cw);
    BytecodeContext statConstr = null;//new BytecodeContext(null,null,this,externalizer,keys,cw,name,statConstrAdapter,STATIC_CONSTRUCTOR,writeLog(),suppressWSbeforeArg);

    // constructor
    GeneratorAdapter constrAdapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, CONSTRUCTOR_PS, null, null, cw);
    BytecodeContext constr = new BytecodeContext(source, null, null, this, keys, cw, name, constrAdapter,
            CONSTRUCTOR_PS, writeLog(), suppressWSbeforeArg, output);
    constrAdapter.loadThis();
    Type t = Types.PAGE_PLUS;
    if (isComponent())
        t = Types.COMPONENT_PAGE;
    else if (isInterface())
        t = Types.INTERFACE_PAGE;

    constrAdapter.invokeConstructor(t, CONSTRUCTOR);

    // call _init()
    constrAdapter.visitVarInsn(Opcodes.ALOAD, 0);
    constrAdapter.visitMethodInsn(Opcodes.INVOKEVIRTUAL, constr.getClassName(), "initKeys", "()V");

    // private static  ImportDefintion[] test=new ImportDefintion[]{...};
    {
        FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, "imports",
                "[Llucee/runtime/component/ImportDefintion;", null, null);
        fv.visitEnd();

        constrAdapter.visitVarInsn(Opcodes.ALOAD, 0);
        ArrayVisitor av = new ArrayVisitor();
        av.visitBegin(constrAdapter, Types.IMPORT_DEFINITIONS, imports.size());
        int index = 0;
        Iterator<String> it = imports.iterator();
        while (it.hasNext()) {
            av.visitBeginItem(constrAdapter, index++);
            constrAdapter.push(it.next());
            ASMConstants.NULL(constrAdapter);
            constrAdapter.invokeStatic(Types.IMPORT_DEFINITIONS_IMPL, ID_GET_INSTANCE);
            av.visitEndItem(constrAdapter);
        }
        av.visitEnd();
        constrAdapter.visitFieldInsn(Opcodes.PUTFIELD, name, "imports",
                "[Llucee/runtime/component/ImportDefintion;");

    }

    // getVersion
    GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, VERSION, null, null,
            cw);
    adapter.push(version);
    adapter.returnValue();
    adapter.endMethod();

    // public ImportDefintion[] getImportDefintions()
    if (imports.size() > 0) {
        adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, GET_IMPORT_DEFINITIONS, null,
                null, cw);
        adapter.visitVarInsn(Opcodes.ALOAD, 0);
        adapter.visitFieldInsn(Opcodes.GETFIELD, name, "imports", "[Llucee/runtime/component/ImportDefintion;");
        adapter.returnValue();
        adapter.endMethod();
    } else {
        adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, GET_IMPORT_DEFINITIONS, null,
                null, cw);
        adapter.visitInsn(Opcodes.ICONST_0);
        adapter.visitTypeInsn(Opcodes.ANEWARRAY, "lucee/runtime/component/ImportDefintion");
        adapter.returnValue();
        adapter.endMethod();
    }

    // getSourceLastModified
    adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, LAST_MOD, null, null, cw);
    adapter.push(lastModifed);
    adapter.returnValue();
    adapter.endMethod();

    // getCompileTime
    adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, COMPILE_TIME, null, null, cw);
    adapter.push(System.currentTimeMillis());
    adapter.returnValue();
    adapter.endMethod();

    // newInstance/initComponent/call
    if (isComponent()) {
        Tag component = getComponent();
        writeOutNewComponent(statConstr, constr, keys, cw, component);
        writeOutInitComponent(statConstr, constr, keys, cw, component);
    } else if (isInterface()) {
        Tag interf = getInterface();
        writeOutNewInterface(statConstr, constr, keys, cw, interf);
        writeOutInitInterface(statConstr, constr, keys, cw, interf);
    } else {
        writeOutCall(statConstr, constr, keys, cw);
    }

    // udfCall     
    Function[] functions = getFunctions();
    ConditionVisitor cv;
    DecisionIntVisitor div;
    // less/equal than 10 functions
    if (isInterface()) {
    } else if (functions.length <= 10) {
        adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, UDF_CALL, null,
                new Type[] { Types.THROWABLE }, cw);
        BytecodeContext bc = new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter,
                UDF_CALL, writeLog(), suppressWSbeforeArg, output);
        if (functions.length == 0) {
        } else if (functions.length == 1) {
            ExpressionUtil.visitLine(bc, functions[0].getStart());
            functions[0].getBody().writeOut(bc);
            ExpressionUtil.visitLine(bc, functions[0].getEnd());
        } else
            writeOutUdfCallInner(bc, functions, 0, functions.length);
        adapter.visitInsn(Opcodes.ACONST_NULL);
        adapter.returnValue();
        adapter.endMethod();
    }
    // more than 10 functions
    else {
        adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, UDF_CALL, null,
                new Type[] { Types.THROWABLE }, cw);
        BytecodeContext bc = new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter,
                UDF_CALL, writeLog(), suppressWSbeforeArg, output);
        cv = new ConditionVisitor();
        cv.visitBefore();
        int count = 0;
        for (int i = 0; i < functions.length; i += 10) {
            cv.visitWhenBeforeExpr();
            div = new DecisionIntVisitor();
            div.visitBegin();
            adapter.loadArg(2);
            div.visitLT();
            adapter.push(i + 10);
            div.visitEnd(bc);
            cv.visitWhenAfterExprBeforeBody(bc);

            adapter.visitVarInsn(Opcodes.ALOAD, 0);
            adapter.visitVarInsn(Opcodes.ALOAD, 1);
            adapter.visitVarInsn(Opcodes.ALOAD, 2);
            adapter.visitVarInsn(Opcodes.ILOAD, 3);
            adapter.visitMethodInsn(Opcodes.INVOKEVIRTUAL, name, createFunctionName(++count),
                    "(Llucee/runtime/PageContext;Llucee/runtime/type/UDF;I)Ljava/lang/Object;");
            adapter.visitInsn(Opcodes.ARETURN);//adapter.returnValue();
            cv.visitWhenAfterBody(bc);
        }
        cv.visitAfter(bc);

        adapter.visitInsn(Opcodes.ACONST_NULL);
        adapter.returnValue();
        adapter.endMethod();

        count = 0;
        Method innerCall;
        for (int i = 0; i < functions.length; i += 10) {
            innerCall = new Method(createFunctionName(++count), Types.OBJECT,
                    new Type[] { Types.PAGE_CONTEXT, USER_DEFINED_FUNCTION, Types.INT_VALUE });

            adapter = new GeneratorAdapter(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, innerCall, null,
                    new Type[] { Types.THROWABLE }, cw);
            writeOutUdfCallInner(
                    new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter, innerCall,
                            writeLog(), suppressWSbeforeArg, output),
                    functions, i, i + 10 > functions.length ? functions.length : i + 10);

            adapter.visitInsn(Opcodes.ACONST_NULL);
            adapter.returnValue();
            adapter.endMethod();
        }
    }

    // threadCall
    TagThread[] threads = getThreads();
    if (true) {
        adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, THREAD_CALL, null,
                new Type[] { Types.THROWABLE }, cw);
        if (threads.length > 0)
            writeOutThreadCallInner(new BytecodeContext(source, statConstr, constr, this, keys, cw, name,
                    adapter, THREAD_CALL, writeLog(), suppressWSbeforeArg, output), threads, 0, threads.length);
        //adapter.visitInsn(Opcodes.ACONST_NULL);
        adapter.returnValue();
        adapter.endMethod();
    }

    // udfDefaultValue
    // less/equal than 10 functions
    if (isInterface()) {
    } else if (functions.length <= 10) {
        adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, UDF_DEFAULT_VALUE, null,
                new Type[] { Types.PAGE_EXCEPTION }, cw);
        if (functions.length > 0)
            writeUdfDefaultValueInner(
                    new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter,
                            UDF_DEFAULT_VALUE, writeLog(), suppressWSbeforeArg, output),
                    functions, 0, functions.length);

        adapter.loadArg(DEFAULT_VALUE);
        adapter.returnValue();
        adapter.endMethod();
    } else {
        adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, UDF_DEFAULT_VALUE, null,
                new Type[] { Types.PAGE_EXCEPTION }, cw);
        BytecodeContext bc = new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter,
                UDF_DEFAULT_VALUE, writeLog(), suppressWSbeforeArg, output);
        cv = new ConditionVisitor();
        cv.visitBefore();
        int count = 0;
        for (int i = 0; i < functions.length; i += 10) {
            cv.visitWhenBeforeExpr();
            div = new DecisionIntVisitor();
            div.visitBegin();
            adapter.loadArg(1);
            div.visitLT();
            adapter.push(i + 10);
            div.visitEnd(bc);
            cv.visitWhenAfterExprBeforeBody(bc);

            adapter.visitVarInsn(Opcodes.ALOAD, 0);
            adapter.visitVarInsn(Opcodes.ALOAD, 1);
            adapter.visitVarInsn(Opcodes.ILOAD, 2);
            adapter.visitVarInsn(Opcodes.ILOAD, 3);
            adapter.visitVarInsn(Opcodes.ALOAD, 4);

            adapter.visitMethodInsn(Opcodes.INVOKEVIRTUAL, name, "udfDefaultValue" + (++count),
                    "(Llucee/runtime/PageContext;IILjava/lang/Object;)Ljava/lang/Object;");
            adapter.visitInsn(Opcodes.ARETURN);//adapter.returnValue();

            cv.visitWhenAfterBody(bc);
        }
        cv.visitAfter(bc);

        adapter.visitInsn(Opcodes.ACONST_NULL);
        adapter.returnValue();
        adapter.endMethod();

        count = 0;
        Method innerDefaultValue;
        for (int i = 0; i < functions.length; i += 10) {
            innerDefaultValue = new Method("udfDefaultValue" + (++count), Types.OBJECT,
                    new Type[] { Types.PAGE_CONTEXT, Types.INT_VALUE, Types.INT_VALUE, Types.OBJECT });
            adapter = new GeneratorAdapter(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, innerDefaultValue, null,
                    new Type[] { Types.PAGE_EXCEPTION }, cw);
            writeUdfDefaultValueInner(
                    new BytecodeContext(source, statConstr, constr, this, keys, cw, name, adapter,
                            innerDefaultValue, writeLog(), suppressWSbeforeArg, output),
                    functions, i, i + 10 > functions.length ? functions.length : i + 10);

            adapter.loadArg(DEFAULT_VALUE);
            //adapter.visitInsn(Opcodes.ACONST_NULL);
            adapter.returnValue();
            adapter.endMethod();
        }

    }

    // register fields
    {
        GeneratorAdapter aInit = new GeneratorAdapter(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, _INIT, null,
                null, cw);
        BytecodeContext bcInit = new BytecodeContext(source, statConstr, constr, this, keys, cw, name, aInit,
                _INIT, writeLog(), suppressWSbeforeArg, output);
        registerFields(bcInit, keys);
        aInit.returnValue();
        aInit.endMethod();
    }

    //setPageSource(pageSource);
    constrAdapter.visitVarInsn(Opcodes.ALOAD, 0);
    constrAdapter.visitVarInsn(Opcodes.ALOAD, 1);
    constrAdapter.invokeVirtual(t, SET_PAGE_SOURCE);

    constrAdapter.returnValue();
    constrAdapter.endMethod();

    return cw.toByteArray();

}

From source file:lucee.transformer.bytecode.Page.java

License:Open Source License

public static void registerFields(BytecodeContext bc, List<LitString> keys) throws BytecodeException {
    //if(keys.size()==0) return;
    GeneratorAdapter ga = bc.getAdapter();

    FieldVisitor fv = bc.getClassWriter().visitField(Opcodes.ACC_PRIVATE, "keys",
            Types.COLLECTION_KEY_ARRAY.toString(), null, null);
    fv.visitEnd();/*from ww  w .j  av a  2 s.  com*/

    int index = 0;
    LitString value;
    Iterator<LitString> it = keys.iterator();
    ga.visitVarInsn(Opcodes.ALOAD, 0);
    ga.push(keys.size());
    ga.newArray(Types.COLLECTION_KEY);
    while (it.hasNext()) {
        value = it.next();
        ga.dup();
        ga.push(index++);
        //value.setExternalize(false);
        ExpressionUtil.writeOutSilent(value, bc, Expression.MODE_REF);
        ga.invokeStatic(KEY_IMPL, KEY_INTERN);
        ga.visitInsn(Opcodes.AASTORE);
    }
    ga.visitFieldInsn(Opcodes.PUTFIELD, bc.getClassName(), "keys", Types.COLLECTION_KEY_ARRAY.toString());
}

From source file:lucee.transformer.bytecode.Page.java

License:Open Source License

private void writeOutInitComponent(BytecodeContext statConstr, BytecodeContext constr, List<LitString> keys,
        ClassWriter cw, Tag component) throws BytecodeException {
    final GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL,
            INIT_COMPONENT, null, new Type[] { Types.PAGE_EXCEPTION }, cw);
    BytecodeContext bc = new BytecodeContext(null, statConstr, constr, this, keys, cw, name, adapter,
            INIT_COMPONENT, writeLog(), suppressWSbeforeArg, output);
    Label methodBegin = new Label();
    Label methodEnd = new Label();

    adapter.visitLocalVariable("this", "L" + name + ";", null, methodBegin, methodEnd, 0);
    adapter.visitLabel(methodBegin);/*from  ww  w .  j a v a 2s .  c  o m*/

    // Scope oldData=null;
    final int oldData = adapter.newLocal(Types.VARIABLES);
    ASMConstants.NULL(adapter);
    adapter.storeLocal(oldData);

    int localBC = adapter.newLocal(Types.BODY_CONTENT);
    ConditionVisitor cv = new ConditionVisitor();
    cv.visitBefore();
    cv.visitWhenBeforeExpr();
    adapter.loadArg(1);
    adapter.invokeVirtual(Types.COMPONENT_IMPL, GET_OUTPUT);
    cv.visitWhenAfterExprBeforeBody(bc);
    ASMConstants.NULL(adapter);
    cv.visitWhenAfterBody(bc);

    cv.visitOtherviseBeforeBody();
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, PUSH_BODY);
    cv.visitOtherviseAfterBody();
    cv.visitAfter(bc);
    adapter.storeLocal(localBC);

    // c.init(pc,this);
    adapter.loadArg(1);
    adapter.loadArg(0);
    adapter.visitVarInsn(Opcodes.ALOAD, 0);
    adapter.invokeVirtual(Types.COMPONENT_IMPL, INIT);

    //int oldCheckArgs=   pc.undefinedScope().setMode(Undefined.MODE_NO_LOCAL_AND_ARGUMENTS);
    final int oldCheckArgs = adapter.newLocal(Types.INT_VALUE);
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, UNDEFINED_SCOPE);
    adapter.push(Undefined.MODE_NO_LOCAL_AND_ARGUMENTS);
    adapter.invokeInterface(Types.UNDEFINED, SET_MODE);
    adapter.storeLocal(oldCheckArgs);

    TryCatchFinallyVisitor tcf = new TryCatchFinallyVisitor(new OnFinally() {

        public void _writeOut(BytecodeContext bc) {

            // undefined.setMode(oldMode);
            adapter.loadArg(0);
            adapter.invokeVirtual(Types.PAGE_CONTEXT, UNDEFINED_SCOPE);
            adapter.loadLocal(oldCheckArgs, Types.INT_VALUE);
            adapter.invokeInterface(Types.UNDEFINED, SET_MODE);
            adapter.pop();

            // c.afterCall(pc,_oldData);
            adapter.loadArg(1);
            adapter.loadArg(0);
            adapter.loadLocal(oldData);
            adapter.invokeVirtual(Types.COMPONENT_IMPL, AFTER_CALL);

        }
    }, null);
    tcf.visitTryBegin(bc);
    // oldData=c.beforeCall(pc);
    adapter.loadArg(1);
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.COMPONENT_IMPL, BEFORE_CALL);
    adapter.storeLocal(oldData);
    ExpressionUtil.visitLine(bc, component.getStart());
    writeOutCallBody(bc, component.getBody(), IFunction.PAGE_TYPE_COMPONENT);
    ExpressionUtil.visitLine(bc, component.getEnd());
    int t = tcf.visitTryEndCatchBeging(bc);
    // BodyContentUtil.flushAndPop(pc,bc);
    adapter.loadArg(0);
    adapter.loadLocal(localBC);
    adapter.invokeStatic(Types.BODY_CONTENT_UTIL, FLUSH_AND_POP);

    // throw Caster.toPageException(t);
    adapter.loadLocal(t);
    adapter.invokeStatic(Types.CASTER, TO_PAGE_EXCEPTION);
    adapter.throwException();
    tcf.visitCatchEnd(bc);

    adapter.loadArg(0);
    adapter.loadLocal(localBC);
    adapter.invokeStatic(Types.BODY_CONTENT_UTIL, CLEAR_AND_POP);

    adapter.returnValue();
    adapter.visitLabel(methodEnd);

    adapter.endMethod();

}

From source file:lucee.transformer.bytecode.Page.java

License:Open Source License

private void writeOutNewComponent(BytecodeContext statConstr, BytecodeContext constr, List<LitString> keys,
        ClassWriter cw, Tag component) throws BytecodeException {

    GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL,
            NEW_COMPONENT_IMPL_INSTANCE, null, new Type[] { Types.PAGE_EXCEPTION }, cw);
    BytecodeContext bc = new BytecodeContext(null, statConstr, constr, this, keys, cw, name, adapter,
            NEW_COMPONENT_IMPL_INSTANCE, writeLog(), suppressWSbeforeArg, output);
    Label methodBegin = new Label();
    Label methodEnd = new Label();

    adapter.visitLocalVariable("this", "L" + name + ";", null, methodBegin, methodEnd, 0);
    ExpressionUtil.visitLine(bc, component.getStart());
    adapter.visitLabel(methodBegin);//from  w  ww  .ja  v  a 2  s.c o  m

    int comp = adapter.newLocal(Types.COMPONENT_IMPL);
    adapter.newInstance(Types.COMPONENT_IMPL);
    adapter.dup();

    Attribute attr;
    // ComponentPage
    adapter.visitVarInsn(Opcodes.ALOAD, 0);
    adapter.checkCast(Types.COMPONENT_PAGE);

    // !!! also check CFMLScriptTransformer.addMetaData if you do any change here !!!

    // Output
    attr = component.removeAttribute("output");
    if (attr != null) {
        ExpressionUtil.writeOutSilent(attr.getValue(), bc, Expression.MODE_REF);
    } else
        ASMConstants.NULL(adapter);

    // synchronized 
    attr = component.removeAttribute("synchronized");
    if (attr != null)
        ExpressionUtil.writeOutSilent(attr.getValue(), bc, Expression.MODE_VALUE);
    else
        adapter.push(false);

    // extends
    attr = component.removeAttribute("extends");
    if (attr != null)
        ExpressionUtil.writeOutSilent(attr.getValue(), bc, Expression.MODE_REF);
    else
        adapter.push("");

    // implements
    attr = component.removeAttribute("implements");
    if (attr != null)
        ExpressionUtil.writeOutSilent(attr.getValue(), bc, Expression.MODE_REF);
    else
        adapter.push("");

    // hint
    attr = component.removeAttribute("hint");
    if (attr != null) {
        Expression value = attr.getValue();
        if (!(value instanceof Literal)) {
            value = LitString.toExprString("[runtime expression]");
        }
        ExpressionUtil.writeOutSilent(value, bc, Expression.MODE_REF);
    } else
        adapter.push("");

    // dspName
    attr = component.removeAttribute("displayname");
    if (attr == null)
        attr = component.getAttribute("display");
    if (attr != null)
        ExpressionUtil.writeOutSilent(attr.getValue(), bc, Expression.MODE_REF);
    else
        adapter.push("");

    // callpath
    adapter.visitVarInsn(Opcodes.ALOAD, 2);
    // relpath
    adapter.visitVarInsn(Opcodes.ILOAD, 3);

    // style
    attr = component.removeAttribute("style");
    if (attr != null)
        ExpressionUtil.writeOutSilent(attr.getValue(), bc, Expression.MODE_REF);
    else
        adapter.push("");

    // persistent
    attr = component.removeAttribute("persistent");
    boolean persistent = false;
    if (attr != null) {
        persistent = ASMUtil.toBoolean(attr, component.getStart()).booleanValue();
    }

    // persistent
    attr = component.removeAttribute("accessors");
    boolean accessors = false;
    if (attr != null) {
        accessors = ASMUtil.toBoolean(attr, component.getStart()).booleanValue();
    }

    adapter.push(persistent);
    adapter.push(accessors);
    //ExpressionUtil.writeOutSilent(attr.getValue(),bc, Expression.MODE_VALUE);

    //adapter.visitVarInsn(Opcodes.ALOAD, 4);
    createMetaDataStruct(bc, component.getAttributes(), component.getMetaData());

    adapter.invokeConstructor(Types.COMPONENT_IMPL, CONSTR_COMPONENT_IMPL);

    adapter.storeLocal(comp);

    //Component Impl(ComponentPage componentPage,boolean output, String extend, String hint, String dspName)

    // initComponent(pc,c);
    adapter.visitVarInsn(Opcodes.ALOAD, 0);
    adapter.loadArg(0);
    adapter.loadLocal(comp);
    adapter.invokeVirtual(Types.COMPONENT_PAGE, INIT_COMPONENT);

    adapter.visitLabel(methodEnd);

    // return component;
    adapter.loadLocal(comp);

    adapter.returnValue();
    //ExpressionUtil.visitLine(adapter, component.getEndLine());
    adapter.endMethod();

}

From source file:lucee.transformer.bytecode.Page.java

License:Open Source License

private void writeOutNewInterface(BytecodeContext statConstr, BytecodeContext constr, List<LitString> keys,
        ClassWriter cw, Tag interf) throws BytecodeException {
    GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL,
            NEW_INTERFACE_IMPL_INSTANCE, null, new Type[] { Types.PAGE_EXCEPTION }, cw);
    BytecodeContext bc = new BytecodeContext(null, statConstr, constr, this, keys, cw, name, adapter,
            NEW_INTERFACE_IMPL_INSTANCE, writeLog(), suppressWSbeforeArg, output);
    Label methodBegin = new Label();
    Label methodEnd = new Label();

    adapter.visitLocalVariable("this", "L" + name + ";", null, methodBegin, methodEnd, 0);
    ExpressionUtil.visitLine(bc, interf.getStart());
    adapter.visitLabel(methodBegin);//from w w  w  .  j  a v a  2 s  .  c  om

    //ExpressionUtil.visitLine(adapter, interf.getStartLine());

    int comp = adapter.newLocal(Types.INTERFACE_IMPL);

    adapter.newInstance(Types.INTERFACE_IMPL);
    adapter.dup();

    Attribute attr;
    // Interface Page
    adapter.visitVarInsn(Opcodes.ALOAD, 0);
    adapter.checkCast(Types.INTERFACE_PAGE);

    // extened
    attr = interf.removeAttribute("extends");
    if (attr != null)
        ExpressionUtil.writeOutSilent(attr.getValue(), bc, Expression.MODE_REF);
    else
        adapter.push("");

    // hint
    attr = interf.removeAttribute("hint");
    if (attr != null)
        ExpressionUtil.writeOutSilent(attr.getValue(), bc, Expression.MODE_REF);
    else
        adapter.push("");

    // dspName
    attr = interf.removeAttribute("displayname");
    if (attr == null)
        attr = interf.getAttribute("display");
    if (attr != null)
        ExpressionUtil.writeOutSilent(attr.getValue(), bc, Expression.MODE_REF);
    else
        adapter.push("");

    // callpath
    adapter.visitVarInsn(Opcodes.ALOAD, 1);
    // relpath
    adapter.visitVarInsn(Opcodes.ILOAD, 2);

    // interface udfs
    adapter.visitVarInsn(Opcodes.ALOAD, 3);

    createMetaDataStruct(bc, interf.getAttributes(), interf.getMetaData());

    adapter.invokeConstructor(Types.INTERFACE_IMPL, CONSTR_INTERFACE_IMPL);

    adapter.storeLocal(comp);

    // initInterface(pc,c);
    adapter.visitVarInsn(Opcodes.ALOAD, 0);
    //adapter.loadArg(0);
    adapter.loadLocal(comp);
    adapter.invokeVirtual(Types.INTERFACE_PAGE, INIT_INTERFACE);

    adapter.visitLabel(methodEnd);

    // return interface;
    adapter.loadLocal(comp);

    adapter.returnValue();
    //ExpressionUtil.visitLine(adapter, interf.getEndLine());
    adapter.endMethod();

}